#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
    float weight, high;
    scanf("%f %f", &weight, &high);
    float a = weight / (high * high);
    if (a >= 18.5 && a <= 23.9)
        printf("Normal");
    else
        printf("Abnormal");
    return 0;
}